10x20x1 (9.7 x 19.7) Filtrete Dust Reduction 600 Filter by 3M(TM) (2 Pack)

Filtrete 600 Dust and Pollen Filter by 3M(TM) 600 Performance Rating. Up to 20 times more effective at capturing micro particles than ordinary fiberglass filters. Captures large, airborne allergens like mold spores and large dust particles. Excellent for high-velocity equipment. Up to 3 months of filtering performance. No unnecessary antimicrobial chemicals added. Filtrete filtering material will not support the growth of bacteria, mold, mildew or fungi in normal use.